Atmosphere/fusee/fusee-primary/Makefile
TuxSH e8306361f0 Rewrote crt0, init, and chainloading code
start.s, init.c, linker.ld and linker.specs are meant
to be re-used by user applications, should they remove the defines
from init.c and the .chainloader* sections from the linker script
2018-05-08 13:45:37 +02:00

67 lines
1.4 KiB
Makefile

rwildcard = $(foreach d, $(wildcard $1*), $(filter $(subst *, %, $2), $d) $(call rwildcard, $d/, $2))
ifeq ($(strip $(DEVKITARM)),)
$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
endif
include $(DEVKITARM)/base_tools
name := fusee-primary
dir_source := src
dir_build := build
dir_out := out
ARCH := -march=armv4t -mtune=arm7tdmi -mthumb -mthumb-interwork
ASFLAGS := -g $(ARCH)
# For debug builds, replace -O2 by -Og and comment -fomit-frame-pointer out
CFLAGS = \
$(ARCH) \
-g \
-O2 \
-fomit-frame-pointer \
-ffunction-sections \
-fdata-sections \
-std=gnu11 \
-Werror \
-Wall \
-fstrict-volatile-bitfields \
-DFUSEE_STAGE1_SRC
LDFLAGS = -specs=linker.specs -g $(ARCH)
objects = $(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
$(patsubst $(dir_source)/%.c, $(dir_build)/%.o, \
$(call rwildcard, $(dir_source), *.s *.c)))
define bin2o
bin2s $< | $(AS) -o $(@)
endef
.PHONY: all
all: $(dir_out)/$(name).bin
.PHONY: clean
clean:
@rm -rf $(dir_build)
@rm -rf $(dir_out)
$(dir_out)/$(name).bin: $(dir_build)/$(name).elf
@mkdir -p "$(@D)"
$(OBJCOPY) -S -O binary $< $@
$(dir_build)/$(name).elf: $(objects)
$(LINK.o) $(OUTPUT_OPTION) $^
$(dir_build)/%.bin.o: $(dir_build)/%.bin
@$(bin2o)
$(dir_build)/%.o: $(dir_source)/%.c
@mkdir -p "$(@D)"
$(COMPILE.c) $(OUTPUT_OPTION) $<
$(dir_build)/%.o: $(dir_source)/%.s
@mkdir -p "$(@D)"
$(COMPILE.c) -x assembler-with-cpp $(OUTPUT_OPTION) $<